AN investigation is under way after fire crews were called to a caravan fire.

The fire engines, from Colne and Nelson stations, were called to the fire involving a caravan on Knotts Lane, in Colne.

A spokesman for the fire service said: "It's unclear yet what caused it but the incident is currently under investigation."

Firefighters used one hose reel to extinguish the fire and no injuries were reported.

The crew stayed for 30 minutes putting it out.